Check Out the Best Celebrity Selfies of the Week

The "selfie" has become part of the pop culture lexicon, and for celebrities mastering the art of social media, posting them is part of building their brands. Which is to say, a selfie is just another form of self promotion. So who's doing it best this week? See for yourself:

Maria Menous and Vin Diesel

Lena Dunham

Jennifer Lopez

Camila Cabelo

Jordin Sparks

Reese Witherspoon

Kylie Jenner

Joanna Krupa

Paris Hilton

Hilary Duff

Aubrey O'Day

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• Vote: Celebrity Selfie Showdown of the Week — January 15, 2014
• Vote: Celebrity Selfie Showdown of the Week — October 16, 2014